package com.atguigu.gulimall.product.service.impl;

import com.atguigu.common.constant.ProductConstant;
import com.atguigu.common.to.SkuReductionTo;
import com.atguigu.common.to.SpuBoundTo;
import com.atguigu.common.to.es.SkuEsModel;
import com.atguigu.common.utils.R;
import com.atguigu.gulimall.product.entity.*;
import com.atguigu.gulimall.product.feign.CouponFeignService;
import com.atguigu.gulimall.product.feign.SearchFeignService;
import com.atguigu.gulimall.product.feign.WareFeignService;
import com.atguigu.gulimall.product.service.*;
import com.atguigu.gulimall.product.vo.*;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;
import com.alibaba.fastjson.TypeReference;
import com.atguigu.gulimall.product.dao.SpuInfoDao;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;


@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {

    @Autowired
    SpuInfoDescService spuInfoDescService;

    @Autowired
    SpuImagesService imagesService;

    @Autowired
    AttrService attrService;

    @Autowired
    ProductAttrValueService attrValueService;

    @Autowired
    SkuInfoService skuInfoService;
    @Autowired
    SkuImagesService skuImagesService;

    @Autowired
    SkuSaleAttrValueService skuSaleAttrValueService;

    @Autowired
    CouponFeignService couponFeignService;

    @Autowired
    BrandService brandService;

    @Autowired
    CategoryService categoryService;

    @Autowired
    WareFeignService wareFeignService;

    @Autowired
    SearchFeignService searchFeignService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                new QueryWrapper<SpuInfoEntity>()
        );

        return new PageUtils(page);
    }

    /**
     * //TODO 高级部分完善
     *
     * @param vo
     */
    @Transactional
    @Override
    public void saveSpuInfo(SpuSaveVo vo) {

//        //1、保存spu基本信息 pms_spu_info
//        SpuInfoEntity infoEntity = new SpuInfoEntity();
//        BeanUtils.copyProperties(vo,infoEntity);
//        infoEntity.setCreateTime(new Date());
//        infoEntity.setUpdateTime(new Date());
//        this.saveBaseSpuInfo(infoEntity);
//
//        //2、保存Spu的描述图片 pms_spu_info_desc
//        List<String> decript = vo.getDecript();
//        SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
//        descEntity.setSpuId(infoEntity.getId());
//        descEntity.setDecript(String.join(",",decript));
//        spuInfoDescService.saveSpuInfoDesc(descEntity);
//
//
//
//        //3、保存spu的图片集 pms_spu_images
//        List<String> images = vo.getImages();
//        imagesService.saveImages(infoEntity.getId(),images);
//
//
//        //4、保存spu的规格参数;pms_product_attr_value
//        List<BaseAttrs> baseAttrs = vo.getBaseAttrs();
//        List<ProductAttrValueEntity> collect = baseAttrs.stream().map(attr -> {
//            ProductAttrValueEntity valueEntity = new ProductAttrValueEntity();
//            valueEntity.setAttrId(attr.getAttrId());
//            AttrEntity id = attrService.getById(attr.getAttrId());
//            valueEntity.setAttrName(id.getAttrName());
//            valueEntity.setAttrValue(attr.getAttrValues());
//            valueEntity.setQuickShow(attr.getShowDesc());
//            valueEntity.setSpuId(infoEntity.getId());
//
//            return valueEntity;
//        }).collect(Collectors.toList());
//        attrValueService.saveProductAttr(collect);
//
//
//        //5、保存spu的积分信息；gulimall_sms->sms_spu_bounds
//        Bounds bounds = vo.getBounds();
//        SpuBoundTo spuBoundTo = new SpuBoundTo();
//        BeanUtils.copyProperties(bounds,spuBoundTo);
//        spuBoundTo.setSpuId(infoEntity.getId());
//        R r = couponFeignService.saveSpuBounds(spuBoundTo);
//        if(r.getCode() != 0){
//            log.error("远程保存spu积分信息失败");
//        }
//
//
//        //5、保存当前spu对应的所有sku信息；
//
//        List<Skus> skus = vo.getSkus();
//        if(skus!=null && skus.size()>0){
//            skus.forEach(item->{
//                String defaultImg = "";
//                for (Images image : item.getImages()) {
//                    if(image.getDefaultImg() == 1){
//                        defaultImg = image.getImgUrl();
//                    }
//                }
//                //    private String skuName;
//                //    private BigDecimal price;
//                //    private String skuTitle;
//                //    private String skuSubtitle;
//                SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
//                BeanUtils.copyProperties(item,skuInfoEntity);
//                skuInfoEntity.setBrandId(infoEntity.getBrandId());
//                skuInfoEntity.setCatalogId(infoEntity.getCatalogId());
//                skuInfoEntity.setSaleCount(0L);
//                skuInfoEntity.setSpuId(infoEntity.getId());
//                skuInfoEntity.setSkuDefaultImg(defaultImg);
//                //5.1）、sku的基本信息；pms_sku_info
//                skuInfoService.saveSkuInfo(skuInfoEntity);
//
//                Long skuId = skuInfoEntity.getSkuId();
//
//                List<SkuImagesEntity> imagesEntities = item.getImages().stream().map(img -> {
//                    SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
//                    skuImagesEntity.setSkuId(skuId);
//                    skuImagesEntity.setImgUrl(img.getImgUrl());
//                    skuImagesEntity.setDefaultImg(img.getDefaultImg());
//                    return skuImagesEntity;
//                }).filter(entity->{
//                    //返回true就是需要，false就是剔除
//                    return !StringUtils.isEmpty(entity.getImgUrl());
//                }).collect(Collectors.toList());
//                //5.2）、sku的图片信息；pms_sku_image
//                skuImagesService.saveBatch(imagesEntities);
//                //TODO 没有图片路径的无需保存
//
//                List<Attr> attr = item.getAttr();
//                List<SkuSaleAttrValueEntity> skuSaleAttrValueEntities = attr.stream().map(a -> {
//                    SkuSaleAttrValueEntity attrValueEntity = new SkuSaleAttrValueEntity();
//                    BeanUtils.copyProperties(a, attrValueEntity);
//                    attrValueEntity.setSkuId(skuId);
//
//                    return attrValueEntity;
//                }).collect(Collectors.toList());
//                //5.3）、sku的销售属性信息：pms_sku_sale_attr_value
//                skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntities);
//
//                // //5.4）、sku的优惠、满减等信息；gulimall_sms->sms_sku_ladder\sms_sku_full_reduction\sms_member_price
//                SkuReductionTo skuReductionTo = new SkuReductionTo();
//                BeanUtils.copyProperties(item,skuReductionTo);
//                skuReductionTo.setSkuId(skuId);
//                if(skuReductionTo.getFullCount() >0 || skuReductionTo.getFullPrice().compareTo(new BigDecimal("0")) == 1){
//                    R r1 = couponFeignService.saveSkuReduction(skuReductionTo);
//                    if(r1.getCode() != 0){
//                        log.error("远程保存sku优惠信息失败");
//                    }
//                }
//
//
//
//            });
//        }
//保存spu基本信息   pms_spu_info
        SpuInfoEntity spuInfoEntity = new SpuInfoEntity();
        BeanUtils.copyProperties(vo, spuInfoEntity);
        spuInfoEntity.setCreateTime(new Date());
        spuInfoEntity.setUpdateTime(new Date());
        this.saveBaseSpuInfo(spuInfoEntity);
//        保存spu描述信息 pms_spu_info_desc

        List<String> decript = vo.getDecript();
        SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
        descEntity.setSpuId(spuInfoEntity.getId());
        descEntity.setDecript(String.join(",", decript));

        spuInfoDescService.saveSpuInfoDesc(descEntity);

//        保存spu图集   pms_spu_images
        List<String> images = vo.getImages();
        imagesService.saveImages(spuInfoEntity.getId(), images);

//        保存spu规格参数 pms_product_attr_value
        List<BaseAttrs> baseAttrs = vo.getBaseAttrs();
        List<ProductAttrValueEntity> entities = baseAttrs.stream().map((attr) -> {
            ProductAttrValueEntity entity = new ProductAttrValueEntity();
            entity.setAttrId(attr.getAttrId());
            AttrEntity byId = attrService.getById(attr.getAttrId());
            if (byId != null) {
                entity.setAttrName(byId.getAttrName());

            }
            entity.setAttrValue(attr.getAttrValues());
            entity.setQuickShow(attr.getShowDesc());
            entity.setSpuId(spuInfoEntity.getId());
            return entity;
        }).collect(Collectors.toList());
        attrValueService.saveProductAttr(entities);


        //5、保存spu的积分信息；gulimall_sms->sms_spu_bounds
        Bounds bounds = vo.getBounds();
        SpuBoundTo spuBoundTo = new SpuBoundTo();
        BeanUtils.copyProperties(bounds, spuBoundTo);
        spuBoundTo.setSpuId(spuInfoEntity.getId());
        R r = couponFeignService.saveSpuBounds(spuBoundTo);
        if (r.getCode() != 0) {
            log.error("远程保存spu积分信息失败");
        }

//        保存spu对应的sku信息
//        sku基本信息 pms_sku_info
        List<Skus> skus = vo.getSkus();
        skus.forEach((item) -> {
            String defaultImg = "";
            for (Images image : item.getImages()) {
                if (image.getDefaultImg() == 1) {
                    defaultImg = image.getImgUrl();
                }
            }

//        sku基本信息 pms_sku_info
            SkuInfoEntity entity = new SkuInfoEntity();
            BeanUtils.copyProperties(item, entity);
            entity.setBrandId(spuInfoEntity.getBrandId());
            entity.setCatalogId(spuInfoEntity.getCatalogId());
            entity.setSaleCount(0L);
            entity.setSpuId(spuInfoEntity.getId());
            entity.setSkuDefaultImg(defaultImg);
            skuInfoService.saveSkuInfo(entity);
            Long skuId = entity.getSkuId(); //需要先保存sku信息才能获得skuId

//        sku图片信息  pms_sku_images
            List<SkuImagesEntity> collect = item.getImages().stream()
                    .filter((img) -> {
//                过滤空路径
                        return !StringUtils.isEmpty(img.getImgUrl());
                    }).map((img) -> {
                        SkuImagesEntity imagesEntity = new SkuImagesEntity();
                        imagesEntity.setSkuId(skuId);
                        imagesEntity.setImgUrl(img.getImgUrl());
                        imagesEntity.setDefaultImg(img.getDefaultImg());
                        return imagesEntity;
                    }).collect(Collectors.toList());
            skuImagesService.saveBatch(collect);

            //        sku的销售属性信息  pms_sku_sale_attr_value
            List<Attr> attr = item.getAttr();
            List<SkuSaleAttrValueEntity> saleAttrValueEntities = attr.stream()
                    .map((a) -> {
                        SkuSaleAttrValueEntity valueEntity = new SkuSaleAttrValueEntity();
                        BeanUtils.copyProperties(a, valueEntity);
                        valueEntity.setSkuId(skuId);
                        return valueEntity;
                    }).collect(Collectors.toList());

            skuSaleAttrValueService.saveBatch(saleAttrValueEntities);


            SkuReductionTo skuReductionTo = new SkuReductionTo();
            BeanUtils.copyProperties(item, skuReductionTo);
            skuReductionTo.setSkuId(skuId);
            //        sku的优惠满减信息 sms_sku_ladder,sms_sku_full_reduction,sms_sku_member_price
            if (skuReductionTo.getFullCount() > 0 || skuReductionTo.getFullPrice().compareTo(new BigDecimal("0")) == 1) {

                R r1 = couponFeignService.saveSkuReduction(skuReductionTo);
                if (r1.getCode() != 0) {
                    log.error("远程调用sms服务失败");
                }
            }

        });
    }

    @Override
    public void saveBaseSpuInfo(SpuInfoEntity infoEntity) {
        this.baseMapper.insert(infoEntity);
    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
//
//        QueryWrapper<SpuInfoEntity> wrapper = new QueryWrapper<>();
//
//        String key = (String) params.get("key");
//        if (!StringUtils.isEmpty(key)) {
//            wrapper.and((w) -> {
//                w.eq("id", key).or().like("spu_name", key);
//            });
//        }
//        // status=1 and (id=1 or spu_name like xxx)
//        String status = (String) params.get("status");
//        if (!StringUtils.isEmpty(status)) {
//            wrapper.eq("publish_status", status);
//        }
//
//        String brandId = (String) params.get("brandId");
//        if (!StringUtils.isEmpty(brandId) && !"0".equalsIgnoreCase(brandId)) {
//            wrapper.eq("brand_id", brandId);
//        }
//
//        String catelogId = (String) params.get("catelogId");
//        if (!StringUtils.isEmpty(catelogId) && !"0".equalsIgnoreCase(catelogId)) {
//            wrapper.eq("catalog_id", catelogId);
//        }
//
//        /**
//         * status: 2
//         * key:
//         * brandId: 9
//         * catelogId: 225
//         */
//
//        IPage<SpuInfoEntity> page = this.page(
//                new Query<SpuInfoEntity>().getPage(params),
//                wrapper
//        );
//
//        return new PageUtils(page);

        QueryWrapper<SpuInfoEntity> wrapper = new QueryWrapper<>();
        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key)) {
            wrapper.and((w)->{
               w.eq("id",key).or().like("spu_name",key);
            });
        }
        String status = (String) params.get("status");
        if (!StringUtils.isEmpty(status)) {
            wrapper.eq("publish_status",status);
        }
        String brandId = (String) params.get("brandId");
        if (!StringUtils.isEmpty(brandId)&&!"0".equalsIgnoreCase(brandId)) {
            wrapper.eq("brand_id",brandId);
        }
        String catelogId = (String) params.get("catelogId");
        if (!StringUtils.isEmpty(catelogId)&&!"0".equalsIgnoreCase(catelogId)) {
            wrapper.eq("catelog_id",catelogId);
        }

        IPage<SpuInfoEntity> page = this.page(new Query<SpuInfoEntity>().getPage(params), wrapper);
        return new PageUtils(page);
    }

    @Override
    public void up(Long spuId) {
        List<SkuEsModel> upProducts = new ArrayList<>();
//        组装需要的数据

//            attrs
//        先查出spuId关联的所有的ProductAttrValueEntity
        List<ProductAttrValueEntity> baseAttrs = attrValueService.baseAttrlistforspu(spuId);
//        再获取所有的attrId
        List<Long> attrIds = baseAttrs.stream().map(attr -> {
            return attr.getAttrId();
        }).collect(Collectors.toList());

//      查出可以被索引的属性id
        List<Long> searchAttrId =  attrService.selectSearchAttrs(attrIds);
        Set<Long> idSet = new HashSet<>(searchAttrId);

        List<SkuEsModel.Attr> attrs = new ArrayList<>();
//      过滤和spuId关联的attrId中可以被检索的attrId
        attrs = baseAttrs.stream().filter(item->{
            return idSet.contains(item.getAttrId());
        }).map(item->{
            SkuEsModel.Attr attr = new SkuEsModel.Attr();
            BeanUtils.copyProperties(item,attr);
            return attr;
        }).collect(Collectors.toList());

        List<SkuEsModel.Attr> finalAttrs = attrs;


//        查出当前spuId对应的所有sku信息
        Map<Long, Boolean> collect = null;
        List<SkuInfoEntity> skuInfos = skuInfoService.getSkuBySpuId(spuId);
        try{

            List<Long> skuIdList = skuInfos.stream().map(SkuInfoEntity::getSkuId).collect(Collectors.toList());
//            hasStock   远程查询是否有库存

            TypeReference<List<SkuHasStockVo>> typeReference = new TypeReference<List<SkuHasStockVo>>() {
            };

            List<SkuHasStockVo> data = wareFeignService.getSkuHasStock(skuIdList).getData(typeReference);
//            List<SkuHasStockVo> data = (List<SkuHasStockVo>)(wareFeignService.getSkuHasStock(skuIdList).get("data"));

            collect = data.stream().collect(Collectors.toMap(SkuHasStockVo::getSkuId, SkuHasStockVo::getHasStock));
        }catch (Exception e){
            log.error("库存服务查询异常：原因{}",e);
        }


//        封装sku信息
        Map<Long, Boolean> finalCollect = collect;
        upProducts = skuInfos.stream().map(sku -> {
            SkuEsModel skuEsModel = new SkuEsModel();
            BeanUtils.copyProperties(sku, skuEsModel);
//            skuPrice skuDefaultImg
            skuEsModel.setSkuPrice(sku.getPrice());
            skuEsModel.setSkuImg(sku.getSkuDefaultImg());
//          设置是否有库存
            skuEsModel.setHasStock(finalCollect ==null?true:finalCollect.get(sku.getSkuId()));
//            hostCount 刚上架默认0
            skuEsModel.setHotScore(0L);

//            brandName brandImg
            BrandEntity brand = brandService.getById(sku.getBrandId());
            skuEsModel.setBrandName(brand.getName());
            skuEsModel.setSkuImg(brand.getLogo());
//          catalogName
            CategoryEntity category = categoryService.getById(skuEsModel.getCatalogId());
            skuEsModel.setCatalogName(category.getName());
            skuEsModel.setAttrs(finalAttrs);

            return skuEsModel;
        }).collect(Collectors.toList());

//      TODO 将数据模型发送给es保存
        R r = searchFeignService.productStatusUp(upProducts);
        if (r.getCode() == 0) {
            //远程调用成功
//        TODO   修改spu上架状态
            baseMapper.updateSpuStatus(spuId, ProductConstant.StatusEnum.SPU_UP.getCode());
        }else{
//            失败
//            TODO 重复调用 接口幂等性   远程调用失败会重复调用的问题
        }
    }

    @Override
    public SpuInfoEntity getSpuInfoBySkuId(Long skuId) {
        SkuInfoEntity skuInfo = skuInfoService.getById(skuId);

        return getById(skuInfo.getSpuId());
    }


}